do you have any shared or public folders configured in config.php and do user3, user4, user5 have permissions to access them? Have user3, user4, user5 opened shared or public folders via KOE or via z-push-admin and do they have permissions to open them?

Resource #x is PHP’s way to represent a resource as string. More information which store it is should be available on DEBUG level.

the Users got several shared folders, added via KOE before updating z-push - i’ve tried to remove and add via z-push-admin and KOE.
Permissions are set via webapp, the folder is readable and writable in outlook.

the permissions are:
complete postbox: read, list folders
calendar: secretary
i can access the items in outlook and if i want to remove and readd this via KOE, all folders are visible in adding screen.

the second error with this “HasACLs” is in the same store but another entryid
how it comes that 4 users who have access to this account (mail and calendar) get the errors above when the item is not present?
something wrong within my db?

8004010F is MAPI_E_NOT_FOUND which probably means that this folder was moved or deleted but Outlook is not aware of it and still tries to synchronise it.
In addition to missing read permissions I’d say that something’s wrong with that folder.
Was this store hooked and unhooked? Or restored from the backup?

did you run listfolders.php on that store and compared the entryids?
For the outlook user it might be enough to run z-push-admin -a resync -t hierarchy -u user -d deviceid or if that doesn’t help to create a new Outlook profile.
The users who opened that shared store will probably have to reconfigure it. How did they configured that share? Using z-push-admin or KOE or MDM plugin in Webapp?

The original user (owner) is one of our few users who still use Outlook 2010 via MAPI. - so a resync via z-push isnt possible, but i can recreate the ol profile.
The users who shared it are on Outlook 2016, addeded via z-push-admin - used my script i posted a while ago
(https://github.com/Coffee-IsLife/Z-Push-shared-folders)

//EDIT: just tried to get the entryid, but i cant find any part of the long id in the log above in listfolders.php -l adierssen these ids are all shorter and obviously folderids and not directly entrys…

logs from 1 to (max seen) 84 times when outlook from this user starts - multiple users are effected by this message
cant see missing mails or other impairments

So, the user adierssen is using outlook with the MAPI client but the above errors appear in z-push.log when he starts Outlook? Replacing all usernames with just user and providing only excerpts of log is confusing and not really helpful.

//EDIT: just tried to get the entryid, but i cant find any part of the long id in the log above in listfolders.php -l adierssen these ids are all shorter and obviously folderids and not directly entrys…

sorry, listfolders.php lists sourcekeys, not the entryids. Could you post the output of it anyway?

to clearify:
the logged errors with mapi exportchange are shown in z-push.log when outlook-users starts ol. multiple useres are effected.

the hasReadACLs (or HasSecretaryACLs) are shown in z-push.log when the user who have the store from adierssen mapped works in OL. - no special action, i think its caused by trying to sync this missing entry in every sync run.
these users got the inbox and calendar mapped via z-push-admin.

so, the folder with the entryid 0000000098762d924cdf425da122d27688a9de510100000003000000d1cc812a9c9b4f6db6c0d2f1dc40d02d00000000 and sourcekey f0bc882a8e0f410aa9765bd325976fe7ec0f02000000 is apparently not in the store of the user adierssen as it’s not in the list returned by the listfolders (or it’s hidden or some special folder or was deleted by the user or moved).

All users who have configured it, will have the ACL error. All users who have synced it with Outlook will have the exporter errors.
For those users you could try to remove the folder from the shared list with z-push-admin remove. If only that doesn’t help, then hierarchy resync with z-push-admin. If then there still are errors, then re-create Outlook profile.

If you still have issues after that or additional comments, please open an issue with Kopano support as it’s getting too long for the forum.